The umbilical cord contains one umbilical vein and two arteries. Hope this helps.
<u>Answer</u>:-
The merely correct option is False.
Explanation:
Since it is not possible to equally preserve all organisms due to the following:
• Not all of them got the same structure and components
• The decay process
• Life span
• Sedimentary environment
• Taphonomic conditions
• The speed of burial, time of burial and kinds of organisms buried
• Chemistry of environment and many more.
Try this site(I’m not promoting it just found it randomly)
https://sciencing.com/preservedremains-fossil-formed-5799785.html
Hope this helps!!!
<span>Schizophrenia
This is a mental disorder characterised by failure to understand what is real and abnormal social behaviour .
Studies across 20 countries have shown a strong link between smoking and schizophrenia .</span>
"Prophase I" is the stage of meiosis that synapsis and the formation of tetrads occur.
